855814355 has 16 divisors (see below), whose sum is σ = 1130817024. Its totient is φ = 616589280.

The previous prime is 855814343. The next prime is 855814363. The reversal of 855814355 is 553418558.

It is a de Polignac number, because none of the positive numbers 2^k-855814355 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66827 + ... + 78596.

It is an arithmetic number, because the mean of its divisors is an integer number (70676064).

Almost surely, 2^855814355 is an apocalyptic number.

855814355 is a deficient number, since it is larger than the sum of its proper divisors (275002669).

855814355 is a wasteful number, since it uses less digits than its factorization.

855814355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145546.

The product of its digits is 480000, while the sum is 44.

The square root of 855814355 is about 29254.3048968865. The cubic root of 855814355 is about 949.4232343915.

The spelling of 855814355 in words is "eight hundred fifty-five million, eight hundred fourteen thousand, three hundred fifty-five".